Home / 83,648.27-115,426.93-49,650.95

Finding the Fourth Proportional to 83,648.27, 115,426.93 and 49,650.95

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Solution

The fourth proportional to 83,648.27, 115,426.93 and 49,650.95 is: 68,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,648.27 : 115,426.93 = 49,650.95 : x
  2. Step 2: Convert to fraction form
    83,648.27/115,426.93 = 49,650.95/x
  3. Step 3: Cross multiply
    83,648.27x = 115,426.93 × 49,650.95
  4. Step 4: Simplify right side
    83,648.27x = 5,731,056,730.08
  5. Step 5: Solve for x
    x = 5,731,056,730.08/83,648.27
  6. Step 6: Final answer
    x = 68,513.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.